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lethargic

[luh-thahr-jik] /ləˈθɑr dʒɪk/
adjective
1.
of, pertaining to, or affected with lethargy; drowsy; sluggish.
2.
producing lethargy.
Also, lethargical.
Origin
1350-1400
1350-1400; < Latin lēthargicus < Greek lēthargikós; replacing Middle English litargik < Medieval Latin litargicus (see lethargy, -ic)
Related forms
lethargically, adverb
hyperlethargic, adjective
nonlethargic, adjective
nonlethargical, adjective
nonlethargically, adverb
unlethargic, adjective
unlethargical, adjective
unlethargically, adverb
Synonyms
1. lazy, indolent, torpid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for un lethargic

lethargic

adj.

late 14c., litargik, from Latin lethargicus "affected with lethargy," from Greek lethargikos, from lethargos (see lethargy). Related: Lethargically.

Online Etymology Dictionary, © 2010 Douglas Harper
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